Finding the Fourth Proportional to 187,173.82, 258,303.36 and 102,289.06
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Solution
The fourth proportional to 187,173.82, 258,303.36 and 102,289.06 is: 141,160.81
Step by Step Solution
- Step 1: Write the proportion equation
187,173.82 : 258,303.36 = 102,289.06 : x - Step 2: Convert to fraction form
187,173.82/258,303.36 = 102,289.06/x - Step 3: Cross multiply
187,173.82x = 258,303.36 × 102,289.06 - Step 4: Simplify right side
187,173.82x = 26,421,607,889.24 - Step 5: Solve for x
x = 26,421,607,889.24/187,173.82 - Step 6: Final answer
x = 141,160.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.